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Due to the reasons of long-term usage and repeated boil,water in buckets can not be drunk for a long time.Although it is safe to use the water the first three days, there will be some problems till the fifth day.It is harmful to continue to drink . This productl can help people remember the date of unsealing.As long as tear down the tag of the seal to the corresponding date, when you forget that how many days you have drunk, you can quickly remember by seeing the tag and decide whether to drink or not.In addition, the tag of the seal is supposed to throw away. It’s a good idea to be used in a new way.
Chen Rujia Xu Wenjie(instructor) He Yuxiao Wang Yong Xu Yangjie